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Sticker of Rosy-striped knot-horn
Bug card No. 3672 of 4,939

Rosy-striped knot-horn

Oncocera semirubella
Eats: PlantsMothsGardens and meadows6 legs

The rosy-striped knot-horn is a pretty little moth with pink or light crimson front wings and a yellowish stripe along the edge. It lives in short grassland. If you walk through the grass, it easily flutters up.

Lives in
Europe, including Britain, and East Asia
Wingspan
2.6 to 3 cm (1 to 1.2 in)
Top speed
about 12 km/h (7.5 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It does not bite or sting.
What does it eat?
Its caterpillars eat bird's-foot trefoil, white clover, restharrow, horseshoe vetch and medick.
For real!Photo of Rosy-striped knot-horn
Picture by Syrio. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Rosy-striped knot-horn wings about 3 cm tip to tip (1.2 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)
wings as wide as 5 grains of rice in a rowcould fly across a whole football pitch in 32 seconds

How big is Rosy-striped knot-horn compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its caterpillar is bronzy black and lives among silk webbing on bird's-foot trefoil.

2

It flies from dusk and is drawn to lights and sugary food.

3

It flies from the end of June to August, with one family each year.

4

Its back wings are grey with a soft rosy tint.

you asked

Most asked questions about Rosy-striped knot-horn

?What does the rosy-striped knot-horn eat?

Its caterpillars eat bird's-foot trefoil, clover and other low plants from the pea family.

?Where does the rosy-striped knot-horn live?

In Europe, including Britain, and in East Asia, in short grassland.

For bug experts

Scientific name
Oncocera semirubella
Group
Moths
Family
Pyralidae
Classification
Insecta > Lepidoptera > Pyralidae
Lives on
Europe, Asia

Where the facts come from

  1. Oncocera semirubella (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by Syrio. CC BY-SA 4.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

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